Binder



May 16, 1933. L., T. LLOYD ET AL 1,9099293 BINDER Filed May 2, 1930 2 Sheets-Sheet l May 16, 1933. L. T. LLOYD ET A1. 1,909,293

BINDER Filed May 2, 1930 2 Sheets-Sheet 2 f6' g 11 HMH Q l 1.3M l W HIHHHHNH Patented May 16, 1933 UNITED STATES PATENT OFFICE LESTER T. LLOYD, OF OAK PARK, AND HENRY E. oLsEN, OE CHICAGO, ILLINOIS,

AssIGNoas To W. G. LLOYD COMPANY, OF cHioAeo, ILLINOIS, A CORPORATION or ling member or dog;

ILLINOIS BINDER Application led May 2, 1930. VSerial No. 449,292.

rl`-his invention relates to binders and particularly binders in which an adjustable .clamping member is secured to a binder post.

The'primary object of the invention is to provide an improved device for detachably lockingfthe adjustable clamping member or members to the posts.

The invention, in its preferred embodiment, is illustrated in the accompanying drawings, in whichp Figure 1 is a perspective view of the clamping member and post mechanism embodying our invention;

1 Fig. 2 is a broken sectional view, the section being taken as indicated vat line 2 of Fig. 1, and showing the locking member engaging the post;

Fig. 3 is a broken sectional view, the section being taken as indicated at line'3 of Fig. 1, and showing the opposite end ofthe adjustable clamping member;

Fig. l is a broken sectional view, similar to Fig. 2, showing the locking member released from engagement with the post;

Fig. 5 is a plan viewjof the slide which is shownl in Figs. 2 and 4; Y

-' Fig. 6 is a view in elevation of the slide;

'Fig. 7 is a plan view of oneform oflock- Fig. 8 is ai part sectional view, the section .being taken as indicated at-line 8 of Fig. 7;

Fig. 9 is a plan vi-ew of the special form of spring employed;

Fig., 10 is a sectional view, the section being taken as indicatedat line 10 of Fig. 4, the

post having been removed; Y

Fig. 11 is aplanview of another form of a locking member or dog; and

Fig. 12 is a side view ofthe locking member shown in Fig. 11. A

. l.. Referring to the drawings, represents a lower 'clamping ,member from which rise Y posts B; and C, an upper clamping member which is adjustably mounted on posts B. The clamping members A. and C may be secured to cover sections in any desirablemanner. If desired, they may be secured to cover sections in the manner illustrated and described in Olsen yPatent No. 1,370,149.

The lower clamping member A may beof constructed as follows: 1

any suitableor approved construction. As *Y shown in this instance, it comprises ay sheet member bent into hollow form and provided at its ends with blocks 1 which serve to close and protect the ends. Blocks 1 may be se cured within the clamping member A by rivets or any other suitable means. The member A is perforated at 2 to receive a reduced end 3 of the binding post 1B. The lower wall of the member A may be perforated at 4 to provide a smaller opening through which a smaller reduced end '5 of the post extends. Post'B may be secured in position by screws or rivets 6. v Clamped between the two walls of member A and secured therein is a ring 7 which encircles and supports the reduced end 3 of the binding ost. p The upper clamping memberV C is made hollow to contain the improved devices for releasably locking it to the posts B, and it preferably consists of a sheet metalmember kwhich is formed similarly to that of the lower clamping member A, and which has in its endv portions plugs 1 similar to those inmember A. The blocks or plugs-1 may be secured in position by rivets kor other suitable means. The member C is perforatedl tov receive the posts B. Also', the upper wall of the vmember C is slotted to provide an oblong open-V lng 8.

The improved devices for releasably locking the clamping member C to the posts B are lSlidably supportednear the top of member C is a slide bar 9 which is equipped centrally with a handlel or knob 10 adapted to extend through slot 8. The slide bar 9 is preferably member 13.l This member comprises a wide flat surface 14 and rocker portion 15 and a Cam portion 16. The flange portion 14 is provided with a relatively large opening 17 adapted to receive a post B, a pair of rivet openings 18 and a pair of spring end openings 19:. In the. form illustrated in Figs. 7 and 8, the rocker portion 15 comprises a pair of legs 20 and a centrally disposed neck 21 which is integrally formed with the cam portion 16'. The cam 16v preferably com-prises a long inclined surface provided with a rounded end portion 22. The locking members or dogs are preferably of the same construction and may bevused` interchangeably at either end of the clamping member. To secure each of the locking members 13 to the clamping member C, a pair of rivets 29 are passed through the openings 18 in the dog or locking member and are secured to the upper and lower walls of member C. Sufficient play is provided between the rivets 29 and edges of the openings 18 to permit theloclring member to rock to the lowered and raised positions illustrated in Figs. 2 and 4.

A spring 24 is employed to urge the dog or locking member 13 toward its lowered position in which it engages the post B. The spring is preferably of the U-shaped form shown in Fig. 9 and is provided at its ends with coils 25. The extreme ends 26 of the spring are preferably extended so as to pass through the openings 19 in the locking member 13. The ends 26 are preferably pressed down against the top of the flange 14ste secure the spring to member 13, as illustrated more clearly in Figs. 2, 3 and 4. In the position illustrated in Figs. 2, and 3 and 4, the rear side of the spring 24 lies against the top wall of clamping member C and the spring coil is so tensioned as to cause the extension 26 to exert a downward pressure against the -flange 14 'of the locking member 13.

In the form of locking member illustrated in Figs. 11 and 12, the `rocking portion 27 is not cut away to form legs 20 of the form shown in Fig. 8, but the entire lower portion is curved so as to form a half-cylindrical rocker bearing. This form of construction provides a sturdier connection between the cam and the ange portions of the locking member and also provides a rocker bearing which operates with little friction.

The rounded surface 22 upon the cam 16 is preferably long enough to permit the end 12 to rest thereon securely when'the member 13 is rocked into its raised position to release the post B. By this means, when the rocking member is raised, the member will remain in its raised position without exerting further pressure upon the slide bar 9. i

In the operation of the apparatus, the movement of the slide bar by means of the vhandle or knob 10 brings the ends 12 into engagement with the cam 16. In the normal locked position, the spring 24 maintains the flange 14 of the locking member at the inclined angle illustrated at Figs. 2 and 3. Continued longitudinal movement of the slide bar 9 brings the ends 12 into contact with the cams of the locking member and depresses the cams, thus rocking the member so as to raise the flange portion out of binding engagement with the post B. yAs shown more clearly in Figs. 2 and 3, the end 12 at one end ofthe slide engages the outer end of cam 16, while the end 12 on theopposite end of slide 9 engages the inclinedsurface of the inner side of cam 16, so that at one end the end 12 is pushed against the cam surface while at the other end it is pulled against the cam surface. VIn both operations the cam is depressed and the flange 14 is raised, rocking upon the rocker point Y 15 as a'pivot. When the flange portion- 14 of lease the post B, as shown more clearly in Fig. 4, the end 12 rests upon the top point 22 of the cam and serves to retain the locking member against the force of spring 24 in raised position.

With the flange 14 of the locking member in raised position, the clamping member C may be freely raised o-r lowered uponV the posts B. the clamping member C upon the posts B, the slide bar, by mean-s of knob 10, may be moved in the opposite direction so as to release the ends 12 from engagement with the cam surfaces. The force vof spring 24 will then depress flange 14 of the locking member so as to bring the edge of the opening 17 into binding engagement with the post B. Any tension brought to bear to separate Vthe members A and C will tend to further clamp the flange 14 of locking member 13 against the binding post B.

With the construction illustrated, it will be observed that the rocking members are operated by a slide supported adjacent the top wall of the clamping member C and between the two binding posts B, thus affording a compact and VVsturdy locking mechanism. The rocking members which' serve to lock the clamping member C to the' posts. are so constructed as to have a relatively long` stroke. This enables a stronger grip action when the clamping member is'locked to the post and further yenables the adjustable clamping member to be lcompletely released from the post without danger of binding. Y

It will be evident that the improved locking device` is simple and effective, and that the clamping member C cannot be accidentally released from the posts B, when it is in locked position, as when the binder is thrown upon a table.

IVhile in the illustration given, a slide `bar is shown as the means for rocking the locking members, it is obvious ythat other means, such as for example, push buttons, may be lVhen it is desired Vto again lockl the locking member has been raised toV reemployed to rock the members into locked and into unlocked position.

N o unnecessary limitation should be understood from the foregoing detailed description which has been given for clearness of understanding only; but the appended claims should be construed as broadly as is permissible in View of the prior art.

I claim: v Y l. A binder comprising, a post, a hollow clamping member movably tted'thereon, a rocking member having openings therein and equipped with a perforated flange adapted to receive said post, said rocking member being provided with a rocker edge portion and a lever arm extending upwardly from said rocker edge portion, p-ins extending through said openings in said rocking member to prevent longitudinal displacement, and means adapted to engage said lever arm to tilt said rocking member. I Y

2. In a binder equipped with a post and a hollow clamping member movably fitted thereon, a rocking member provided with a perforated flange adapted to receive said post and also equipped with a rocker edge portion adapted to rest upon the bottom wallv of said clamping member, said rocking member being provided with a lever arm connected to said rocker edge portion, means associated with said rocking member and said clamping member to prevent longitudi- Y nal displacement of said rocking member, spring means adapted to urge said perforated lange in a downward direction, and

means for exerting pressure upon the lever arm in order to tilt said rocking member.

3. A binder comprising, a post, a hollow clamping member movably fitted thereon, a rocking member equipped with a perforated fiange receiving said post, said rocking member having a rocker edge portion and a lever arm extendingY upwardly from said rocker edge portion, means associated with said rocking member and said clamping member to prevent longitudinal displacement of said rocking member, spring means adapted to urge said perforated flange in a downward direction, and means adapted to engage said lever arm to tilt said rocking member.

LESTER T. LLOYD. HENRY E. OLSEN. 

